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How to check if a String contains only ASCII?
... 0x20 (space) such as tabs, line-feed / return but also BEL with code 0x07 and DEL with code 0x7F.
This code incorrectly uses characters rather than code points, even if code points are indicated in the comments of earlier versions. Fortunately, the characters required to create code point with a v...
java.lang.ClassNotFoundException: org.springframework.web.servlet.DispatcherServlet
i am using spring 3.1.0.RELEASE , and my servlet container is tomcat 7 and my IDE is eclipse indigo
and the jar spring-webmvc-3.1.0.RELEASE.jar which contains the DispatcherServlet
exists in the lib folder, and yet when running the application, i am getting the exception:
...
What does |= (single pipe equal) and &=(single ampersand equal) mean
...gnment operators, translating (very loosely)
x |= y;
into
x = x | y;
and the same for &. There's a bit more detail in a few cases regarding an implicit cast, and the target variable is only evaluated once, but that's basically the gist of it.
In terms of the non-compound operators, & ...
What is difference between Collection.stream().forEach() and Collection.forEach()?
I understand that with .stream() , I can use chain operations like .filter() or use parallel stream. But what is difference between them if I need to execute small operations (for example, printing the elements of the list)?
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Git's famous “ERROR: Permission to .git denied to user”
I have tried googling and read through https://help.github.com/en/articles/connecting-to-github-with-ssh and various, various guides. I am unable to git push -u origin master or git push origin master ( the same command ).
...
How can I save my secret keys and password securely in my version control system?
I keep important settings like the hostnames and ports of development and production servers in my version control system. But I know that it's bad practice to keep secrets (like private keys and database passwords) in a VCS repository.
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How to customize an end time for a YouTube video?
... to return a Flash/SWF stream... Which works fine for me on Chrome/Windows and IE, but not on Firefox.
– Kai Carver
Sep 16 '14 at 11:03
3
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How can you profile a Python script?
Project Euler and other coding contests often have a maximum time to run or people boast of how fast their particular solution runs. With Python, sometimes the approaches are somewhat kludgey - i.e., adding timing code to __main__ .
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Definition of a Balanced Tree
... tree for me. I have that "a tree is balanced if each sub-tree is balanced and the height of the two sub-trees differ by at most one.
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How to reduce iOS AVPlayer start delay
...
For iOS 10.x and greater to reduce AVPlayer start delay I set:
avplayer.automaticallyWaitsToMinimizeStalling = false;
and that seemed to fix it for me. This could have other consequences, but I haven't hit those yet.
I got the idea for...